Income Taxes (Details Textual) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Operating Loss Carryforwards [Line Items]
Federal net operating loss carry-forwards	$ 0	$ 0
Increase (decrease) in valuation allowance	4,900,000	(4,100,000)
Valuation allowance	134,881,000	129,995,000
Federal net operating loss carry-forwards	215,000,000
State net operating loss carry-forwards	263,000,000
Foreign net operating loss carryforwards	36,700,000
U.S. federal income tax rate	35.00%	35.00%
Domestic Tax Authority | Maximum
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards expiration	2033
Domestic Tax Authority | Minimum
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards expiration	2014
Foreign Tax Authority | Maximum
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards expiration	2023
Foreign Tax Authority | Minimum
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards expiration	2016
Puerto Rico
Operating Loss Carryforwards [Line Items]
Federal net operating loss carry-forwards	4,700,000	19,000
Increase (decrease) in valuation allowance	(2,800,000)
Valuation allowance	19,400,000
UNITED STATES
Operating Loss Carryforwards [Line Items]
Valuation allowance	$ 115,500,000